TW200606519A - Light guide plate - Google Patents

Light guide plate

Info

Publication number
TW200606519A
TW200606519A TW093124353A TW93124353A TW200606519A TW 200606519 A TW200606519 A TW 200606519A TW 093124353 A TW093124353 A TW 093124353A TW 93124353 A TW93124353 A TW 93124353A TW 200606519 A TW200606519 A TW 200606519A
Authority
TW
Taiwan
Prior art keywords
light guide
guide plate
substrate
refraction material
top surface
Prior art date
Application number
TW093124353A
Other languages
Chinese (zh)
Other versions
TWI241441B (en
Inventor
Chiu-Lien Yang
Ching-Hung Teng
Jia-Pang Pang
Original Assignee
Innolux Display Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Innolux Display Corp filed Critical Innolux Display Corp
Priority to TW093124353A priority Critical patent/TWI241441B/en
Priority to US11/203,942 priority patent/US20060034099A1/en
Application granted granted Critical
Publication of TWI241441B publication Critical patent/TWI241441B/en
Publication of TW200606519A publication Critical patent/TW200606519A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide

Abstract

The present invention relates to a light guide plate. The light guide plate includes a substrate and refraction material. The substrate includes a top surface and a bottom surface. A number of grooves are formed in the top surface, and a number of V-shaped grooves are formed in the bottom surface. The heights of the top of the V-shaped grooves are different from each other. The refracting index of the refraction material is higher than that of the substrate, and the top surface is opposite to the bottom surface and coated with refraction material.
TW093124353A 2004-08-13 2004-08-13 Light guide plate TWI241441B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW093124353A TWI241441B (en) 2004-08-13 2004-08-13 Light guide plate
US11/203,942 US20060034099A1 (en) 2004-08-13 2005-08-15 Light guide plate with V-shaped grooves and backlight module incorporating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW093124353A TWI241441B (en) 2004-08-13 2004-08-13 Light guide plate

Publications (2)

Publication Number Publication Date
TWI241441B TWI241441B (en) 2005-10-11
TW200606519A true TW200606519A (en) 2006-02-16

Family

ID=35799766

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093124353A TWI241441B (en) 2004-08-13 2004-08-13 Light guide plate

Country Status (2)

Country Link
US (1) US20060034099A1 (en)
TW (1) TWI241441B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI578065B (en) * 2011-10-26 2017-04-11 友達光電股份有限公司 Backlight module and display device

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US7397984B2 (en) * 2005-11-01 2008-07-08 Hewlett-Packard Development Company, L.P. Light guide screen louver device
TWI285721B (en) * 2005-12-02 2007-08-21 Hon Hai Prec Ind Co Ltd Light guide plate and method for manufacturing the light guide plate
TWI347457B (en) 2007-12-07 2011-08-21 Au Optronics Corp Light guide plate with spring-shaped light-guiding units for use in a liquid crystal display device
US8437069B2 (en) * 2008-03-11 2013-05-07 Sipix Imaging, Inc. Luminance enhancement structure for reflective display devices
WO2009114361A1 (en) * 2008-03-11 2009-09-17 Sipix Imaging, Inc. Luminance enhancement structure for reflective display devices
US8441414B2 (en) * 2008-12-05 2013-05-14 Sipix Imaging, Inc. Luminance enhancement structure with Moiré reducing design
US20100177396A1 (en) * 2009-01-13 2010-07-15 Craig Lin Asymmetrical luminance enhancement structure for reflective display devices
US9025234B2 (en) * 2009-01-22 2015-05-05 E Ink California, Llc Luminance enhancement structure with varying pitches
US8714780B2 (en) * 2009-04-22 2014-05-06 Sipix Imaging, Inc. Display devices with grooved luminance enhancement film
US8797633B1 (en) 2009-07-23 2014-08-05 Sipix Imaging, Inc. Display device assembly and manufacture thereof
US8456589B1 (en) 2009-07-27 2013-06-04 Sipix Imaging, Inc. Display device assembly
TWI402547B (en) 2010-03-18 2013-07-21 Young Lighting Technology Corp Light guide plate and light source apparatus
TWI424208B (en) * 2011-09-06 2014-01-21 Young Lighting Technology Inc Light guide plate and backlight module
CN104460108B (en) * 2013-09-22 2017-03-08 纬创资通股份有限公司 Backlight module
KR20160072603A (en) 2014-12-15 2016-06-23 삼성전자주식회사 Back light apparatus and display apparatus having the same
CN104808280B (en) * 2015-04-28 2019-02-12 深圳市华星光电技术有限公司 Light guide plate and the backlight module for using the light guide plate

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EP0500960B1 (en) * 1990-09-12 1995-12-20 Mitsubishi Rayon Co., Ltd. Element of plane source of light
US5735988A (en) * 1996-03-19 1998-04-07 Physical Optics Corporation Method of making liquid crystal display system
TW331593B (en) * 1996-05-13 1998-05-11 Konika Co Ltd Planer light source device and light guide plate
US5999685A (en) * 1997-02-07 1999-12-07 Sanyo Electric Co., Ltd. Light guide plate and surface light source using the light guide plate
TW422346U (en) * 1998-11-17 2001-02-11 Ind Tech Res Inst A reflector device with arc diffusion uint
US6827456B2 (en) * 1999-02-23 2004-12-07 Solid State Opto Limited Transreflectors, transreflector systems and displays and methods of making transreflectors
US6845212B2 (en) * 1999-10-08 2005-01-18 3M Innovative Properties Company Optical element having programmed optical structures
US7046905B1 (en) * 1999-10-08 2006-05-16 3M Innovative Properties Company Blacklight with structured surfaces
JP2002203416A (en) * 2000-10-26 2002-07-19 Minebea Co Ltd Surface lighting system
JP4266551B2 (en) * 2000-12-14 2009-05-20 三菱レイヨン株式会社 Surface light source system and light deflection element used therefor
KR100765138B1 (en) * 2001-04-09 2007-10-15 삼성전자주식회사 Backlight assembly and liquid crystal display device using thereof
US6576887B2 (en) * 2001-08-15 2003-06-10 3M Innovative Properties Company Light guide for use with backlit display
JP2003151331A (en) * 2001-11-15 2003-05-23 Minebea Co Ltd Sheet lighting system
US20040095769A1 (en) * 2002-11-14 2004-05-20 Huang Kuo Jui Photoconductive structure of backlight module
KR100657914B1 (en) * 2004-11-24 2006-12-14 삼성전자주식회사 Prism sheet and back light unit employing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI578065B (en) * 2011-10-26 2017-04-11 友達光電股份有限公司 Backlight module and display device

Also Published As

Publication number Publication date
US20060034099A1 (en) 2006-02-16
TWI241441B (en) 2005-10-11

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees